Home / 71,770,545.30-107,645,320.35-20,647,233.30

Finding the Fourth Proportional to 71,770,545.30, 107,645,320.35 and 20,647,233.30

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Solution

The fourth proportional to 71,770,545.30, 107,645,320.35 and 20,647,233.30 is: 30,967,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,770,545.30 : 107,645,320.35 = 20,647,233.30 : x
  2. Step 2: Convert to fraction form
    71,770,545.30/107,645,320.35 = 20,647,233.30/x
  3. Step 3: Cross multiply
    71,770,545.30x = 107,645,320.35 × 20,647,233.30
  4. Step 4: Simplify right side
    71,770,545.30x = 2,222,578,042,919,687.50
  5. Step 5: Solve for x
    x = 2,222,578,042,919,687.50/71,770,545.30
  6. Step 6: Final answer
    x = 30,967,829.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.